The Mac mini family was first introduced in January of 2005.

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Can I upgrade my Mac Mini to 1GB ram?

My serial number for my mac mini is ym51221wrht. Everything about it is all original… nothing was updated. The last time I used it was 2008, and now I have use for it in a spare bedroom. The only problem is, everything over the years has been upgraded around it to the point where I can't really use it anymore. Am I able to get an airport card installed as well as a 1GB ram and Leopard system?

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Airport Card:

You can install an airport extreme card.

Airport Extreme Card


Here's the ram that would work for this computer:

PC3200 1 GB RAM Chip (Desktop)

Can it use Leopard?:

Based on that serial number you gave, you have a Power PC (A1103) model which will support up to Mac OS 10.5.8 so yes you can install Leopard on this machine.

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Leopard runs only on Intel Macs, so if it's an early model PowerPC ('05/early '06) no. Looks like it will take the RAM upgrade.

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Good Luck,


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Leopard runs on PPC machines. SNOW LEOPARD needs Intel Chipset.


Thanks - too many kitty's to remember I guess.


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Katrina will be eternally grateful.
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